Question about Sony Ericsson K550i Cellular Phone

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Sony E k550i

Droped my phone said isert chip so ook back off and put chip back in now wants code please help

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What kind of code is it asking for?

If it ask for a PIN code then it means it's asking for the password/code you have entered on your SIM card. If it asks for Security code then that means it's the password/code for the phone.

Entering three invalid PIN codes on your phone then your PIN may be locked and you can only unlcok it by entering the PUK code on your SIM. PUK code is available on the sim card pack. Once it's ented, you have the option of changing your PIN code. Just be sure to remember your PIN code so the same incident won't happen again. If it ask for security code, enter the code you have for the phone but if you don't remember setting a security code, then you may try the default security code of Sony Ericsson phones which is 00000.

Posted on May 05, 2008

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1 Answer

An unknow code was used i my sony ericsson k550i so how can i unlock it please.i need the code


Hi,

If you have forgot the code for your mobile phone in that case you have to get in touch with the Sony Care and they will able to help you.


All The Best.


With Regards:-
Subhankar Ghosh

Dec 11, 2010 | Sony Ericsson K550i Cellular Phone

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How to unlock phone lock code sony ericsson k550i


To Unlock the Sony Ericsson K550i Mobile from the Network Lock You can use the Unlock Code,You can get the Unlock Code at
http://www.wickedunlock.com/sony-ericsson-k550i/rs11wp9/ and Unlock from the Security lock use the Master Reset Code.

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2 Answers

Unlock the phone Sony Ericsson K550i


a programme called setool lite could reset the code back to 0000

download setool lite here: http://www.4shared.com/file/VSqGxHQu/SE_Tool_2_Lite_111.html?s=1

turn antivirus resident sheild off (it will report this programme as a false positive)
when downloaded extract file with winrar

turn phone off and remove sim and memory card
do not turn phone back on!
select k550 in the list
press 'identify' on setool lite
press and hold 'c' on the phone and plug usb cable in

it will ask for driver which is in the setool lite folder so direct it to there

after driver installed setool will then read your phone and displa info on the screen

as soon as that has finished unplug your phone, put sim and memory card back on and the security code should be reset to 0000

Apr 21, 2010 | Sony Ericsson K550i Cellular Phone

1 Answer

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hi i have a sony ericsson k550i phone and i put a lock code on it but i don't remember the code 

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it is the last four digts of your phone number.

plese rate

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Please help me fix my phone.


Hi,

Did you try a software update?

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